summaryrefslogtreecommitdiffstats
path: root/tools/performance
diff options
context:
space:
mode:
Diffstat (limited to 'tools/performance')
-rw-r--r--tools/performance/PerfStats.cpp262
-rw-r--r--tools/performance/PerfStats.h91
-rw-r--r--tools/performance/moz.build17
3 files changed, 370 insertions, 0 deletions
diff --git a/tools/performance/PerfStats.cpp b/tools/performance/PerfStats.cpp
new file mode 100644
index 0000000000..f390dabe42
--- /dev/null
+++ b/tools/performance/PerfStats.cpp
@@ -0,0 +1,262 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "PerfStats.h"
+#include "nsAppRunner.h"
+#include "mozilla/dom/BrowserParent.h"
+#include "mozilla/dom/CanonicalBrowsingContext.h"
+#include "mozilla/dom/ContentParent.h"
+#include "mozilla/dom/ContentProcessManager.h"
+#include "mozilla/dom/WindowGlobalParent.h"
+#include "mozilla/gfx/GPUChild.h"
+#include "mozilla/gfx/GPUProcessManager.h"
+#include "mozilla/JSONWriter.h"
+
+using namespace mozilla::dom;
+using namespace mozilla::gfx;
+
+namespace mozilla {
+
+static const char* const sMetricNames[] = {"DisplayList Building",
+ "Rasterizing",
+ "LayerBuilding",
+ "Layer Transactions",
+ "Compositing",
+ "Reflowing",
+ "Styling"};
+
+PerfStats::MetricMask PerfStats::sCollectionMask = 0;
+StaticMutex PerfStats::sMutex;
+StaticAutoPtr<PerfStats> PerfStats::sSingleton;
+
+void PerfStats::SetCollectionMask(MetricMask aMask) {
+ sCollectionMask = aMask;
+ for (uint64_t i = 0; i < static_cast<uint64_t>(Metric::Max); i++) {
+ if (!(sCollectionMask & 1 << i)) {
+ continue;
+ }
+
+ GetSingleton()->mRecordedTimes[i] = 0;
+ }
+
+ if (!XRE_IsParentProcess()) {
+ return;
+ }
+
+ GPUProcessManager* gpuManager = GPUProcessManager::Get();
+ GPUChild* gpuChild = nullptr;
+
+ if (gpuManager) {
+ gpuChild = gpuManager->GetGPUChild();
+ if (gpuChild) {
+ gpuChild->SendUpdatePerfStatsCollectionMask(aMask);
+ }
+ }
+
+ nsTArray<ContentParent*> contentParents;
+ ContentParent::GetAll(contentParents);
+
+ for (ContentParent* parent : contentParents) {
+ Unused << parent->SendUpdatePerfStatsCollectionMask(aMask);
+ }
+}
+
+PerfStats* PerfStats::GetSingleton() {
+ if (!sSingleton) {
+ sSingleton = new PerfStats;
+ }
+
+ return sSingleton.get();
+}
+
+void PerfStats::RecordMeasurementStartInternal(Metric aMetric) {
+ StaticMutexAutoLock lock(sMutex);
+
+ GetSingleton()->mRecordedStarts[static_cast<size_t>(aMetric)] =
+ TimeStamp::Now();
+}
+
+void PerfStats::RecordMeasurementEndInternal(Metric aMetric) {
+ StaticMutexAutoLock lock(sMutex);
+
+ MOZ_ASSERT(sSingleton);
+
+ sSingleton->mRecordedTimes[static_cast<size_t>(aMetric)] +=
+ (TimeStamp::Now() -
+ sSingleton->mRecordedStarts[static_cast<size_t>(aMetric)])
+ .ToMilliseconds();
+}
+
+struct StringWriteFunc : public JSONWriteFunc {
+ nsCString& mString;
+
+ explicit StringWriteFunc(nsCString& aString) : mString(aString) {}
+ virtual void Write(const Span<const char>& aStr) override {
+ mString.Append(aStr);
+ }
+};
+
+void AppendJSONStringAsProperty(nsCString& aDest, const char* aPropertyName,
+ const nsCString& aJSON) {
+ // We need to manually append into the string here, since JSONWriter has no
+ // way to allow us to write an existing JSON object into a property.
+ aDest.Append(",\n\"");
+ aDest.Append(aPropertyName);
+ aDest.Append("\": ");
+ aDest.Append(aJSON);
+}
+
+struct PerfStatsCollector {
+ PerfStatsCollector() : writer(MakeUnique<StringWriteFunc>(string)) {}
+
+ void AppendPerfStats(const nsCString& aString, ContentParent* aParent) {
+ writer.StartObjectElement();
+ writer.StringProperty("type", "content");
+ writer.IntProperty("id", aParent->ChildID());
+ const ManagedContainer<PBrowserParent>& browsers =
+ aParent->ManagedPBrowserParent();
+
+ writer.StartArrayProperty("urls");
+ for (auto iter = browsers.ConstIter(); !iter.Done(); iter.Next()) {
+ RefPtr<BrowserParent> parent =
+ BrowserParent::GetFrom(iter.Get()->GetKey());
+
+ CanonicalBrowsingContext* ctx = parent->GetBrowsingContext();
+ if (!ctx) {
+ continue;
+ }
+
+ WindowGlobalParent* windowGlobal = ctx->GetCurrentWindowGlobal();
+ if (!windowGlobal) {
+ continue;
+ }
+
+ RefPtr<nsIURI> uri = windowGlobal->GetDocumentURI();
+ if (!uri) {
+ continue;
+ }
+
+ nsAutoCString url;
+ uri->GetSpec(url);
+
+ writer.StringElement(url);
+ }
+ writer.EndArray();
+ AppendJSONStringAsProperty(string, "perfstats", aString);
+ writer.EndObject();
+ }
+
+ void AppendPerfStats(const nsCString& aString, GPUChild* aChild) {
+ writer.StartObjectElement();
+ writer.StringProperty("type", "gpu");
+ writer.IntProperty("id", aChild->Id());
+ AppendJSONStringAsProperty(string, "perfstats", aString);
+ writer.EndObject();
+ }
+
+ ~PerfStatsCollector() {
+ writer.EndArray();
+ writer.End();
+ promise.Resolve(string, __func__);
+ }
+ nsCString string;
+ JSONWriter writer;
+ MozPromiseHolder<PerfStats::PerfStatsPromise> promise;
+};
+
+auto PerfStats::CollectPerfStatsJSONInternal() -> RefPtr<PerfStatsPromise> {
+ if (!PerfStats::sCollectionMask) {
+ return PerfStatsPromise::CreateAndReject(false, __func__);
+ }
+
+ if (!XRE_IsParentProcess()) {
+ return PerfStatsPromise::CreateAndResolve(
+ CollectLocalPerfStatsJSONInternal(), __func__);
+ }
+
+ std::shared_ptr<PerfStatsCollector> collector =
+ std::make_shared<PerfStatsCollector>();
+
+ JSONWriter& w = collector->writer;
+
+ w.Start();
+ {
+ w.StartArrayProperty("processes");
+ {
+ w.StartObjectElement();
+ {
+ w.StringProperty("type", "parent");
+ AppendJSONStringAsProperty(collector->string, "perfstats",
+ CollectLocalPerfStatsJSONInternal());
+ }
+ w.EndObject();
+
+ GPUProcessManager* gpuManager = GPUProcessManager::Get();
+ GPUChild* gpuChild = nullptr;
+
+ if (gpuManager) {
+ gpuChild = gpuManager->GetGPUChild();
+ }
+ nsTArray<ContentParent*> contentParents;
+ ContentParent::GetAll(contentParents);
+
+ if (gpuChild) {
+ gpuChild->SendCollectPerfStatsJSON(
+ [collector, gpuChild](const nsCString& aString) {
+ collector->AppendPerfStats(aString, gpuChild);
+ },
+ // The only feasible errors here are if something goes wrong in the
+ // the bridge, we choose to ignore those.
+ [](mozilla::ipc::ResponseRejectReason) {});
+ }
+ for (ContentParent* parent : contentParents) {
+ RefPtr<ContentParent> parentRef = parent;
+ parent->SendCollectPerfStatsJSON(
+ [collector, parentRef](const nsCString& aString) {
+ collector->AppendPerfStats(aString, parentRef.get());
+ },
+ // The only feasible errors here are if something goes wrong in the
+ // the bridge, we choose to ignore those.
+ [](mozilla::ipc::ResponseRejectReason) {});
+ }
+ }
+ }
+
+ return collector->promise.Ensure(__func__);
+}
+
+nsCString PerfStats::CollectLocalPerfStatsJSONInternal() {
+ StaticMutexAutoLock lock(PerfStats::sMutex);
+
+ nsCString jsonString;
+
+ JSONWriter w(MakeUnique<StringWriteFunc>(jsonString));
+ w.Start();
+ {
+ w.StartArrayProperty("metrics");
+ {
+ for (uint64_t i = 0; i < static_cast<uint64_t>(Metric::Max); i++) {
+ if (!(sCollectionMask & (1 << i))) {
+ continue;
+ }
+
+ w.StartObjectElement();
+ {
+ w.IntProperty("id", i);
+ w.StringProperty("metric", MakeStringSpan(sMetricNames[i]));
+ w.DoubleProperty("time", mRecordedTimes[i]);
+ }
+ w.EndObject();
+ }
+ }
+ w.EndArray();
+ }
+ w.End();
+
+ return jsonString;
+}
+
+} // namespace mozilla
diff --git a/tools/performance/PerfStats.h b/tools/performance/PerfStats.h
new file mode 100644
index 0000000000..68ebfc3a57
--- /dev/null
+++ b/tools/performance/PerfStats.h
@@ -0,0 +1,91 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef PerfStats_h
+#define PerfStats_h
+
+#include "mozilla/TimeStamp.h"
+#include "mozilla/StaticMutex.h"
+#include "mozilla/StaticPtr.h"
+#include "mozilla/MozPromise.h"
+#include <memory>
+#include <string>
+#include <limits>
+
+namespace mozilla {
+
+class PerfStats {
+ public:
+ typedef MozPromise<nsCString, bool, true> PerfStatsPromise;
+
+ enum class Metric : uint32_t {
+ DisplayListBuilding = 0,
+ Rasterizing,
+ LayerBuilding,
+ LayerTransactions,
+ Compositing,
+ Reflowing,
+ Styling,
+ Max
+ };
+
+ // MetricMask is a bitmask based on 'Metric', i.e. Metric::LayerBuilding (2)
+ // is synonymous to 1 << 2 in MetricMask.
+ using MetricMask = uint64_t;
+
+ static void RecordMeasurementStart(Metric aMetric) {
+ if (!(sCollectionMask & (1 << static_cast<uint64_t>(aMetric)))) {
+ return;
+ }
+ RecordMeasurementStartInternal(aMetric);
+ }
+
+ static void RecordMeasurementEnd(Metric aMetric) {
+ if (!(sCollectionMask & (1 << static_cast<uint64_t>(aMetric)))) {
+ return;
+ }
+ RecordMeasurementEndInternal(aMetric);
+ }
+
+ template <Metric N>
+ class AutoMetricRecording {
+ public:
+ AutoMetricRecording() { PerfStats::RecordMeasurementStart(N); }
+ ~AutoMetricRecording() { PerfStats::RecordMeasurementEnd(N); }
+ };
+
+ static void SetCollectionMask(MetricMask aMask);
+
+ static RefPtr<PerfStatsPromise> CollectPerfStatsJSON() {
+ return GetSingleton()->CollectPerfStatsJSONInternal();
+ }
+
+ static nsCString CollectLocalPerfStatsJSON() {
+ return GetSingleton()->CollectLocalPerfStatsJSONInternal();
+ }
+
+ private:
+ static PerfStats* GetSingleton();
+ static void RecordMeasurementStartInternal(Metric aMetric);
+ static void RecordMeasurementEndInternal(Metric aMetric);
+
+ RefPtr<PerfStatsPromise> CollectPerfStatsJSONInternal();
+ nsCString CollectLocalPerfStatsJSONInternal();
+
+ static MetricMask sCollectionMask;
+ static StaticMutex sMutex;
+ static StaticAutoPtr<PerfStats> sSingleton;
+ TimeStamp mRecordedStarts[static_cast<size_t>(Metric::Max)];
+ double mRecordedTimes[static_cast<size_t>(Metric::Max)];
+};
+
+static_assert(1 << (static_cast<uint64_t>(PerfStats::Metric::Max) - 1) <=
+ std::numeric_limits<PerfStats::MetricMask>::max(),
+ "More metrics than can fit into sCollectionMask bitmask");
+
+} // namespace mozilla
+
+#endif // PerfStats_h
diff --git a/tools/performance/moz.build b/tools/performance/moz.build
new file mode 100644
index 0000000000..ea82c83126
--- /dev/null
+++ b/tools/performance/moz.build
@@ -0,0 +1,17 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+UNIFIED_SOURCES += [
+ "PerfStats.cpp",
+]
+
+EXPORTS.mozilla += [
+ "PerfStats.h",
+]
+
+include("/ipc/chromium/chromium-config.mozbuild")
+
+FINAL_LIBRARY = "xul"
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 15:35:06 +0000